/Engine/Source/Developer/UncontrolledChangelists/Public/UncontrolledChangelistsModule.h
Called when file has been saved without an available Provider. Adds the file to the Default Uncontrolled Changelist
True if the file have been handled by the Uncontrolled module.
bool OnSaveWritable ( const [FString](API\Runtime\Core\Containers\FString) & InFilename )